Measuring instrument



FIG. 1 is a perspective view of an embodiment of a measuring instrument showing the new design;

FIG. 2 is a rear view of the embodiment of FIG. 1;

FIG. 3 is a top view of the embodiment of FIG. 1;

FIG. 4 is a left side view of the embodiment of FIG. 1;

FIG. 5 is a front view of the embodiment of FIG. 1;

FIG. 6 is a bottom view of the embodiment of FIG. 1; and,

FIG. 7 is a right side view of the embodiment of FIG. 1.

The broken lines in the drawings depict portions of the measuring instrument that form no part of the claimed design. 

CLAIM The ornamental design for a measuring instrument, as shown and described. 